from idlelib.replace import replace
import math





print([1,2,3]*3)
x = 3==3,5
print(x)

x = [3,5,7]
x[len(x):] = [1,2]
print(x[40:])

print(list(zip([1,2],[3,4])))
print(dict(zip([1,2],[3,4])))

print(round(3.4))
print(round(3.7))

print((3,)*3)
print([1]*2)
print([1,2]*2)
x = 'hello word'
c = x.replace('hello','hi')
print(x)
print(c)

x = [1,2,3]
print(id(x))
x = 3
print(id(x))

x= 'guo'
print(''.join('dong',))
print([]==None)
print({}==None)
z = 3+4j
print(z.real)
print(math.pi)

fr = []
d= ''
def myf(fram):
    fa = [1,2,3]
    fram = fa
myf(fr)
print(fr)

print(10%-4)

sss = '123456'
print(sss[::-1])
a,b=1,1
for i in range(10):
    print(a,end=',')
    a,b= b,a+b
